例句與造句

1. I think the latter is characterized by the conjunction of two things : ( 1 ) it's conformal ( angle-preserving ) and ( 2 ) curves of constant bearing appear as straight lines on the map; e . g . the curve that goes in a direction 71 degrees east of north, which in fact spirals infinitely many times around the north pole, although the arc length of the spiral is finite, is a straight line on the map . talk ) 13 : 14, 2 June 2011 ( UTC)
2. It's difficult to find curve of constant bearing in a sentence. 用curve of constant bearing造句挺難的